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Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Eudicots
Cladus: Core eudicots
Cladus: Rosids
Cladus: Eurosids I
Ordo: Fabales

Familia: Fabaceae
Subfamilia: Caesalpinioideae
Tribus: Acacieae
Genus: Acacia
Species: Acacia calamifolia

Acacia calamifolia Sweet ex Lindl., 1824

Acacia pulverulenta A.Cunn. ex Benth.
Acacia uncinata G.Lodd.
Racosperma calamifolium (Sweet ex Lindl.) Pedley


Acacia calamifolia Sieber ex Steud. = Acacia quadrilateralis DC.

Native distribution areas:
Acacia calamifolia

Continental: Australasia
Regional: Australia
New South Wales, South Australia, Victoria
Introduced into:

References: Brummitt, R.K. 2001. TDWG – World Geographical Scheme for Recording Plant Distributions, 2nd Edition
Primary references

Sweet, R., 1824. Botanical Register; Consisting of Coloured Figures of Exotic Plants Cultivated in British Gardens; with their History and Mode of Treatment. London 10: t. 839.


Govaerts, R. et al. 2020. Acacia calamifolia in Kew Science Plants of the World online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published on the internet. Accessed: 2020 Jul 27. Reference page.
International Plant Names Index. 2019. Acacia calamifolia. Published online. Accessed: Jul 27 2019. 2019. Acacia calamifolia. Missouri Botanical Garden. Published on the internet. Accessed: 2019 Jul 27.
Hassler, M. Jul. Acacia calamifolia. World Plants: Synonymic Checklists of the Vascular Plants of the World In: Roskovh, Y., Abucay, L., Orrell, T., Nicolson, D., Bailly, N., Kirk, P., Bourgoin, T., DeWalt, R.E., Decock, W., De Wever, A., Nieukerken, E. van, Zarucchi, J. & Penev, L., eds. Jul. Species 2000 & ITIS Catalogue of Life. Published on the internet. Accessed: Jul 27 {{{3}}}. Reference page.
USDA, ARS, Germplasm Resources Information Network. Acacia calamifolia in the Germplasm Resources Information Network (GRIN), U.S. Department of Agriculture Agricultural Research Service. Accessed: 09-Oct-10.

Vernacular names
English: Broom Wattle, Red-leaf Wattle, Wallow Acacia, Wallowa

Acacia calamifolia, commonly known as wallowa[1] or reed-leaf wattle,[2] is a shrub or tree belonging to the genus Acacia and the subgenus Phyllodineae endemic to south eastern parts of Australia.


The rounded shrub typically grows to a height of 2 to 4 metres (7 to 13 ft)[3] with some individuals reaching as high as 10 m (33 ft)[1] the width of the plant is usually 2 to 4 m (6 ft 7 in to 13 ft 1 in).[4] The narrowly linear, green to grey-green, terete phyllodes have a length of 2 to 10.5 cm (0.79 to 4.13 in) and a width of 1 to 1.5 mm (0.039 to 0.059 in). The phyllodes have a curved point, are glabrous and sometimes scurfy with four non-prominent nerves.[3] It blooms between October and November producing yellow flowers.[2] The inflorescences are found on two to eight headed racemes. The spherical to obloid shaped flower-heads contain 28 to 46 golden pale yellow to golden flowers. The woody, wrinkled seed pods form after flowering have a moniliform shape, resembling a string of beads, with a length of up to 15 cm (5.9 in) and a width of 3 to 6 mm (0.12 to 0.24 in). The dull dark brown to black oblong-elliptic shaped seeds have a length of 6 to 9 mm (0.24 to 0.35 in).[3]

The species was first formally described by the botanist Robert Sweet in John Lindley's work Edwards's Botanical Register in 1824. The species was reclassified as Racosperma calamifolium by Leslie Pedley in 2003 then transferred ack to the genus Acacia in 2006. Other synonyms include; Acacia microcarpa var. linearis, Acacia pulverulenta and Acacia uncinata.[5] The specific epithet is taken from the Latin words calamus meaning reed and folium meaning leaf in reference to the shape of the phyllodes.[6]

The shrub is found in South Australia from the Flinders Ranges in the north south to the Tothill Ranges in the northern Mount Lofty Ranges and east to Broken Hill and central parts of New South Wales. It is often a part of woodland and open scrubland communities where it grows in a variety of soil types different soils.[3] It is also found in north western Victoria.[1]

The shrub is planted as medium-sized ornamental wattle that is suitable as a low shelter plant. It can tolerate full sun or part shade and prefers a well-drained soil but can endure short periods of water logging. It is drought and frost tolerant to −7 °C (19 °F).[4] It makes good habitat for bird life and the seeds are and an important part of the Mallee fowl's diet.[4]
See also

List of Acacia species


"Acacia calamifolia Wallowa". Wattle - genus Acacia. Australian National Botanic Gardens. Retrieved 31 March 2019.
"Acacia calamifolia Sweet ex Lindl". PlantNet. Royal Botanic Gardens, Sydney. Retrieved 31 March 2019.
"Acacia calamifolia". World Wide Wattle. Western Australian Herbarium. Retrieved 31 March 2019.
"Acacia calamifolia Wallowa". Plant Selector. Botanic Gardens of South Australia. Retrieved 31 March 2019.
"Acacia calamifolia Sweet ex Lindl". Atlas of Living Australia. Global Biodiversity Information Facility. Retrieved 31 March 2019.
"Acacia calamifolia (Leguminosae) Wallowa". Seeds of South Australia. Government of South Australia. Retrieved 31 March 2019.

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